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This information may be subject to change. All brand and product names are trademarks and/or
registered trademarks of their respective owners. All rights reserved.
Copyright © 2001 by OPTICOM GmbH · www.opticom.de

Technical Specification

for the OPERA™ Software Suite V3.0

OPR-000-XXX-S

Содержание OPERA SOFTWARE SUITE - V3.0

Страница 1: ...ge All brand and product names are trademarks and or registered trademarks of their respective owners All rights reserved Copyright 2001 by OPTICOM GmbH www opticom de Technical Specification for the...

Страница 2: ......

Страница 3: ...urement1 PESQ Utterances detection1 PESQ Delay histogram1 PESQ Signal to noise SNR measurement of speech and silence portions of a test signal Official ITU voice samples for testing and conformance ve...

Страница 4: ...Results can be directly compared to subjective listening tests Capable of handling varying delays and severe distortions as they occure in VoIP applications Algorithm standard Based on standard ITU T...

Страница 5: ...n Maximum gain difference 60 dB Automatic Delay Compensation 1000 ms Static Delay Automatic Delay Compensation 10 s Automated operation Supported Available Measurement Results Timesignal Spectrum Exci...

Страница 6: ...mum gain difference 60 dB Automatic Delay Compensation 1000 ms Static Delay Automatic Delay Compensation 10 s Automated operation Supported Available Measurement Results Timesignal Spectrum Excitation...

Страница 7: ...atic Delay Compensation 10 s Delay Tracking 512 samples Automated operation Supported Available Measurement Results Timesignal Spectrum Excitation Percentage of silent intervals during measurement Sil...

Страница 8: ...operation Supported Available Measurement Results Timesignal Echo Return Loss ERL vs Delay Momentary attenuation of the highest echo peak ERLmom Momentary delay of the highest echo peak ERLmom Delay A...

Страница 9: ...the test signal compared to the reference signal Modulation of the reference and test signal BS 1387 intermediate results MOVs Average Bandwidth of the Reference Signal AvgBwRef Average Bandwidth of t...

Страница 10: ...udio samples for testing Includes PEAQ conformance test samples System Requirements Processor Intel Pentium III 500 MHz or above RAM 128 MB 256 MB are recommended Screen resolution 1024 768 64k colour...

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